Panasonic sa ak 450 pl service manual

Page 2

SA-AKJSOPL

Heads

Record/playback Solid permalloy head
Erasure Double gap ferrite head
Motor DC servo motor

AC bias 100 kHz
AC erase 100 kHz
4.8 cm/s

Recording system

Erasing system

Tape speed

Overall frequency response (+3, -6 dB) at DECK OUT

NORMAL 35 Hz to 14 kHz

S/N ratio 50 dB (A weighted)

Wow and flutter 0.18 "/0 (WRMS)

Fast forward and rewind time Approx. 120 seconds with
0-60 cassette tape

n DISC SECTION

Disc played [8 cm or 12 cm]

(1) CD-Audio (CD-DA)

(2) CD»R/RW (CD-DA, MP3 formatted disc)

(3) MP3
MPEG-1 Layer 3, MPEG-2 Layer 3

Bit rate

MP3 32 kbps to 320 kbps
Sampling frequency

MP3 32 kHz, 44.1 kHz, 48 kHz
CD-DA 44.1 kHz
Decoding 16 bit linear
Digital filter 8 fs
D/A converter MASH (1 bit DAC)
Pick up

Wavelength 780 nm

Beam Source Semiconductor laser
Audio output (Disc)
Number of channels
n USB SECTION

Playable USB Storage Media

2 (Stereo) (FL, FR)

1) HDD
2) USB MP3 Player/Digital audio player
3) USB Thumbdrives

Supported audio file format

MP3 bit rate

USB memory port

Maximum current 500 mA
Bit rate

MP3 32 kbps to 320 kbps
Sampling frequency

MP3 32 kHz, 44.1 kHz, 48 kHz
Audio output (MP3)

Number of channels 2 channel

Frequency response (MP3)
S/N Ratio

USB unit out

n GENERAL

Power supply

20 HZ to 20 kHz (O+/-1.0 dB)
93.28 dB
AC 120 V, 60Hz

127 W
0.28 W

Power consumption

Power consumption
mode

in standby

250 x 330 x 323 mm

7.1 kg

+5 to +35°C

5 to 90% RH (no condensation)

Dimensions (W x H x D)

Mass

Operating temperature range

Operating humidity range

It SYSTEM

SC-AK450 (PL) Music center: SA-AK450 (PL)
Speaker: SB-AK450 (PL)

For information on speaker system, please refer to the original
Service Manual (Order No. MD07030080E) for SB-AK450PL»K.

Notes:

1.Specifications are subject to change without notice. Mass and
dimensions are approximate.

2.Total harmonic distortion is measured by the digital spectrum
analyzer.

A WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

CONTENTS

1 Safety Precautions ------
1.1. General Guidelines -------------------------------------------------------- 4

1.2. Before repair and adjustment

1.3. Protection Circuitry

1.4. Caution For Fuse Replacement

1.5. Safety Part Information -------------------------------------------------- 5

2 Prevention of Electra Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices ................................. 5
3 Handling Precautions For Traverse Deck ............................... 7
4 Precaution of laser diode ------------------------------------------------------- 9

5 Warning ..........
5'1- Service Caution based on legal restrictions ____________________ 10

6 Accessories

7 Operating Instructions Procedures-

7.1. Main Unit Key Buttons Operations-

7.2. Remote Control Key Buttons Operations ....................... 13

8 New Features ------------------------------------------------------------------------ 14
8.1. Using the Music Port and USB Mass Storage Class

Device ................................................. 14

9 Self diagnosis and special mode setting ------------------------------ 16